{"id":614,"date":"2019-04-27T22:11:41","date_gmt":"2019-04-27T14:11:41","guid":{"rendered":"https:\/\/www.linuxcool.com\/?p=614"},"modified":"2023-11-28T23:58:43","modified_gmt":"2023-11-28T15:58:43","slug":"tail","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/tail","title":{"rendered":"tail\u547d\u4ee4 &#8211; \u67e5\u770b\u6587\u4ef6\u5c3e\u90e8\u5185\u5bb9"},"content":{"rendered":"\n<p>tail\u547d\u4ee4\u7684\u529f\u80fd\u662f\u67e5\u770b\u6587\u4ef6\u5c3e\u90e8\u5185\u5bb9\uff0c\u4f8b\u5982\u9ed8\u8ba4\u4f1a\u5728\u7ec8\u7aef\u754c\u9762\u4e0a\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u7684\u672b\u5c3e10\u884c\uff0c\u5982\u679c\u6307\u5b9a\u4e86\u591a\u4e2a\u6587\u4ef6\uff0c\u5219\u4f1a\u5728\u663e\u793a\u7684\u6bcf\u4e2a\u6587\u4ef6\u5185\u5bb9\u524d\u9762\u52a0\u4e0a\u6587\u4ef6\u540d\u6765\u52a0\u4ee5\u533a\u5206\u3002\u9ad8\u9636\u73a9\u6cd5\u7684-f\u53c2\u6570\u7684\u4f5c\u7528\u662f\u6301\u7eed\u663e\u793a\u6587\u4ef6\u7684\u5c3e\u90e8\u6700\u65b0\u5185\u5bb9\uff0c\u7c7b\u4f3c\u4e8e\u673a\u573a\u5019\u673a\u5385\u7684\u5927\u5c4f\u5e55\uff0c\u603b\u4f1a\u628a\u6700\u65b0\u7684\u6d88\u606f\u5c55\u793a\u7ed9\u7528\u6237\uff0c\u5bf9\u9605\u8bfb\u65e5\u5fd7\u6587\u4ef6\u5c24\u4e3a\u9002\u5408\uff0c\u518d\u4e5f\u4e0d\u9700\u8981\u624b\u52a8\u5237\u65b0\u4e86\u3002<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong>tail \u53c2\u6570 \u6587\u4ef6\u540d<\/p>\n\n\n\n<p><strong>\u5e38\u7528\u53c2\u6570\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>-c<strong><\/strong><\/td><td>\u8bbe\u7f6e\u663e\u793a\u6587\u4ef6\u5c3e\u90e8\u7684\u5b57\u7b26\u6570<strong><\/strong><\/td><td rowspan=\"4\"><strong>&nbsp;<\/strong><\/td><td>--pid<strong><\/strong><\/td><td>\u5f53\u6307\u5b9aPID\u8fdb\u7a0b\u7ed3\u675f\u65f6\uff0c\u81ea\u52a8\u9000\u51fa\u547d\u4ee4<strong><\/strong><\/td><\/tr><tr><td>-f<strong><\/strong><\/td><td>\u6301\u7eed\u663e\u793a\u6587\u4ef6\u5c3e\u90e8\u6700\u65b0\u5185\u5bb9<strong><\/strong><\/td><td>--retry<strong><\/strong><\/td><td>\u5f53\u6587\u4ef6\u65e0\u6743\u9650\u8bbf\u95ee\u65f6\uff0c\u4f9d\u7136\u5c1d\u8bd5\u6253\u5f00<strong><\/strong><\/td><\/tr><tr><td>-n<strong><\/strong><\/td><td>\u8bbe\u7f6e\u663e\u793a\u6587\u4ef6\u5c3e\u90e8\u7684\u884c\u6570<strong><\/strong><\/td><td>--version<strong><\/strong><\/td><td>\u663e\u793a\u7248\u672c\u4fe1\u606f<strong><\/strong><\/td><\/tr><tr><td>--help<strong><\/strong><\/td><td>\u663e\u793a\u5e2e\u52a9\u4fe1\u606f<strong><\/strong><\/td><td><strong>&nbsp;<\/strong><\/td><td><strong>&nbsp;<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u53c2\u8003\u793a\u4f8b<\/strong><\/p>\n\n\n\n<p>\u9ed8\u8ba4\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u5c3e\u90e8\u7684\u540e10\u884c\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# tail File.cfg \r\n%addon com_redhat_subscription_manager \r\n%end \r\n%addon ADDON_placeholder --disable --reserve-mb=auto \r\n%end \r\n\r\n%anaconda \r\npwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty \r\npwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok \r\npwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty \r\n%end \r<\/pre>\n\n\n\n<p>\u6307\u5b9a\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u5c3e\u90e8\u7684\u540e5\u884c\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# tail -n 5 File.cfg \r\n%anaconda \r\npwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty \r\npwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok \r\npwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty \r\n%end \r<\/pre>\n\n\n\n<p>\u6307\u5b9a\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u5c3e\u90e8\u7684\u540e30\u4e2a\u5b57\u8282\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# tail -c 30 File.cfg \r\nt --nochanges --notempty \r\n%end\r<\/pre>\n\n\n\n<p>\u6301\u7eed\u5237\u65b0\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u5c3e\u90e8\u7684\u540e10\u884c\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# tail -f File.cfg<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>tail\u547d\u4ee4\u7684\u529f\u80fd\u662f\u67e5\u770b\u6587\u4ef6\u5c3e\u90e8\u5185\u5bb9\uff0c\u4f8b\u5982\u9ed8\u8ba4\u4f1a\u5728\u7ec8\u7aef\u754c\u9762\u4e0a\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u7684\u672b\u5c3e10\u884c\uff0c\u5982\u679c\u6307\u5b9a\u4e86\u591a\u4e2a\u6587\u4ef6\uff0c\u5219\u4f1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-614","post","type-post","status-publish","format-standard","hentry","category-document"],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=614"}],"version-history":[{"count":29,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/614\/revisions"}],"predecessor-version":[{"id":16536,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/614\/revisions\/16536"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}